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Cheap flights from Portland to Ireland from $314

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ireland departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Portland to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Brussels Airlines Logo
7:00 am - 8:10 amPDX-DUB
17h 10m1 stop
Brussels Airlines Logo
10:40 am - 6:56 pmDUB-PDX
16h 16m1 stop
$395Brussels Airlines
Find Deal
Tue, Jan 27 - Tue, Feb 3
Icelandair Logo
2:45 pm - 10:15 amPDX-DUB
11h 30m1 stop
Icelandair Logo
11:30 am - 5:00 pmDUB-PDX
13h 30m1 stop
$401Icelandair
Find Deal
Mon, Dec 8 - Mon, Dec 15
United Airlines Logo
7:00 am - 7:30 amPDX-DUB
16h 30m2 stops
United Airlines Logo
9:00 am - 1:45 pmDUB-PDX
36h 45m2 stops
$410United Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 28
Air Canada Logo
9:50 am - 7:10 amPDX-DUB
37h 20m2 stops
Air Canada Logo
9:00 am - 9:15 amDUB-PDX
32h 15m2 stops
$411Air Canada
Find Deal
Thu, Dec 4 - Wed, Dec 10
British Airways Logo
5:45 pm - 2:05 pmPDX-DUB
12h 20m1 stop
British Airways Logo
8:40 pm - 8:22 pmDUB-PDX
31h 42m2 stops
$413British Airways
Find Deal
Wed, Jan 14 - Wed, Jan 28
British Airways Logo
2:13 pm - 5:00 pmPDX-DUB
18h 47m2 stops
British Airways Logo
8:40 pm - 8:27 pmDUB-PDX
31h 47m2 stops
$417British Airways
Find Deal
Tue, Jan 20 - Mon, Jan 26
British Airways Logo
5:45 pm - 5:00 pmPDX-DUB
15h 15m1 stop
British Airways Logo
8:40 pm - 3:55 pmDUB-PDX
27h 15m1 stop
$418British Airways
Find Deal
Wed, Feb 11 - Thu, Feb 26
Air Canada Logo
6:00 am - 7:10 amPDX-DUB
17h 10m2 stops
Air Canada Logo
9:00 am - 9:15 amDUB-PDX
32h 15m2 stops
$425Air Canada
Find Deal
Tue, Nov 25 - Wed, Dec 3
United Airlines Logo
7:25 am - 10:15 amPDX-SNN
18h 50m2 stops
United Airlines Logo
12:30 pm - 10:52 pmSNN-PDX
18h 22m2 stops
$492United Airlines
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Thu, Apr 16 - Fri, Apr 24
KLM Logo
1:25 pm - 11:25 pmPDX-ORK
26h 00m1 stop
KLM Logo
6:00 am - 11:25 amORK-PDX
13h 25m1 stop
$553KLM
Find Deal
Wed, Jan 21 - Fri, Jan 30

Delta flights from Portland to Ireland

Our best Delta deals on Portland to Ireland flight tickets
Delta
Dec 1
PDX12:32 amPortland
23h 13m
1 stop
DUB7:45 amDublin
Dec 10
DUB9:45 amDublin
20h 34m
1 stop
PDX10:19 pmPortland
$439
Find similar
Delta
Mar 1
PDX7:00 amPortland
17h 45m
1 stop
DUB8:45 amDublin
Mar 8
DUB5:55 amDublin
13h 30m
1 stop
PDX11:25 amPortland
$446
Find similar
Delta
Nov 26
PDX7:05 amPortland
17h 40m
1 stop
DUB8:45 amDublin
Dec 3
DUB5:55 amDublin
26h 21m
2 stops
PDX12:16 amPortland
$454
Find similar

Air Canada flights from Portland to Ireland

Our best Air Canada deals on Portland to Ireland flight tickets
Air Canada
Dec 4
PDX9:50 amPortland
37h 20m
2 stops
DUB7:10 amDublin
Dec 10
DUB9:00 amDublin
32h 15m
2 stops
PDX9:15 amPortland
$411
Find similar
Air Canada
Nov 25
PDX6:00 amPortland
17h 10m
2 stops
DUB7:10 amDublin
Dec 3
DUB9:00 amDublin
32h 15m
2 stops
PDX9:15 amPortland
$425
Find similar
Air Canada
Jan 11
PDX7:00 pmPortland
52h 10m
2 stops
DUB7:10 amDublin
Jan 24
DUB9:00 amDublin
41h 56m
2 stops
PDX6:56 pmPortland
$432
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Ireland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 18, 2025.
Use the filters below to find and compare flights from Portland to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 1/27

7:00 am-8:10 am

1 stop17h 10m

Dublin

Tue 2/3

10:40 am-6:56 pm

1 stop16h 16m

$395

PortlandDublin

PDX - DUB

PDXDUB

Portland

Mon 12/8

2:45 pm-10:15 am

1 stop11h 30m

Dublin

Mon 12/15

11:30 am-5:00 pm

1 stop13h 30m

$401

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 1/14

7:00 am-7:30 am

2 stops16h 30m

Dublin

Wed 1/28

9:00 am-1:45 pm

2 stops36h 45m

$410

PortlandDublin

PDX - DUB

PDXDUB

Portland

Thu 12/4

9:50 am-7:10 am

2 stops37h 20m

Dublin

Wed 12/10

9:00 am-9:15 am

2 stops32h 15m

$411

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 1/14

5:45 pm-2:05 pm

1 stop12h 20m

Dublin

Wed 1/28

8:40 pm-8:22 pm

2 stops31h 42m

$413

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 1/20

2:13 pm-5:00 pm

2 stops18h 47m

Dublin

Mon 1/26

8:40 pm-8:27 pm

2 stops31h 47m

$417

PortlandDublin

PDX - DUB

PDXDUB

Portland

Wed 2/11

5:45 pm-5:00 pm

1 stop15h 15m

Dublin

Thu 2/26

8:40 pm-3:55 pm

1 stop27h 15m

$418

PortlandDublin

PDX - DUB

PDXDUB

Portland

Tue 11/25

6:00 am-7:10 am

2 stops17h 10m

Dublin

Wed 12/3

9:00 am-9:15 am

2 stops32h 15m

$425

PortlandShannon

PDX - SNN

PDXSNN

Portland

Thu 4/16

7:25 am-10:15 am

2 stops18h 50m

Shannon

Fri 4/24

12:30 pm-10:52 pm

2 stops18h 22m

$492

PortlandCork

PDX - ORK

PDXORK

Portland

Wed 1/21

1:25 pm-11:25 pm

1 stop26h 00m

Cork

Fri 1/30

6:00 am-11:25 am

1 stop13h 25m

$553

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ireland from

How to get the cheapest flight ticket from Portland to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ireland?

In general, November is the cheapest month to fly from Portland to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $504. If you aren’t able to travel to Ireland during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $517.

What is the cheapest day to depart on your flight to Ireland?

The cheapest day to depart on your flight to Ireland is on a Tuesday when prices can be found for as low as $560. This is often the case because there is less demand to fly during this day of the week. Flights from Portland to Ireland on a Saturday will generally be more expensive and average around $743. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ireland?

According to our data, the cheapest time of day to fly to Ireland is at noon. momondo users have found flights departing from Portland to Ireland at noon for as low as $597. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Ireland is in the morning when prices are around $696.

How far in advance should I book a flight to Ireland?

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $615 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as $577 on momondo.

Can stopping save me money on Portland to Ireland flights?

You could potentially save up to 12% on your flight if you consider stops on a Portland to Ireland flight.

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Direct flights

None
There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.
Search flight deals

  • When did momondo last update prices for flights from Portland Airport to Ireland?

    Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Ireland?

  • How old do you have to be to fly from Portland Airport to Ireland?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $360Free CancellationRating
7.0
580 reviews
Search Icelandair flights
IberiaPriceFrom $437Free CancellationRating
7.0
3,025 reviews
Search Iberia flights
United AirlinesPriceFrom $468Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
DeltaPriceFrom $474Free CancellationRating
7.9
8,003 reviews
Search Delta flights
British AirwaysPriceFrom $474Free CancellationRating
6.7
7,532 reviews
Search British Airways flights
American AirlinesPriceFrom $481Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
Air CanadaPriceFrom $486Free CancellationRating
7.1
10,462 reviews
Search Air Canada flights
KLMPriceFrom $489Free CancellationRating
7.7
1,411 reviews
Search KLM flights
LufthansaPriceFrom $490Free CancellationRating
6.8
7,576 reviews
Search Lufthansa flights
Air FrancePriceFrom $493Free CancellationRating
7.4
1,493 reviews
Search Air France flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ireland?

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Portland to Ireland with flexible booking policies on momondo?

Flights from Portland to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Ireland?

Once all potential Portland to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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